Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. john is going to take a quiz with 10 mc questions.

John is going to take a quiz with 10 MC questions. Each question has only one...

80.2K

Verified Solution

Question

Statistics

  1. John is going to take a quiz with 10 MC questions. Eachquestion has only one correct answer out of 4 choices. Suppose Johnsimply answer each question by random guess,
    1. (5) What is the probability of have 5 questions answeredcorrectly?
    2. (5) What is the expected number and standard deviation of thequestions answered correctly?
    3. (10) If a correct answer counts for 1 point and a wrong answercauses 1 point deduction,
      1. list out all the possible points of this quiz.
      2. what is the expected points of John’s quiz?

Answer & Explanation Solved by verified expert
4.0 Ratings (585 Votes)
    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Q

Describe in detail the monosynaptic myotactic reflex arc AND the reverse myotactic response. Include all of...

Medical Sciences
Q

One of the first signs of Alzheimer's Disease is short term memory inpairment. On the other hand...

Medical Sciences
Q

Consider the three basic quantities of a circuit: voltage (potential difference), current, and resistance. In general terms,...

Physics
Q

1 One mole of an ideal monatomic gas requires 210 J heat to raise the...

Physics
Q

20 The article Determination of Most Representative Subdivision J of Energy Engr 1993 43 55...

Statistics
Q

A parabola can be drawn given a focus of 6 8 and a directrix of...

Algebra
Q

Question Evaluating Investment projects You are planning to invest $75,000 in...

Accounting
Q

The final grade in a particular course is...

Accounting
Q

Calculating and Recording Cash Dividends On May 23, 2019, Regan's Board of Directors declared a...

Accounting
Q

The service time of the clerks is UNIF(8.9, 10.9) minutes for all customer types. After...

Accounting
Q

6.2. For the following two-person two-commodity pure exchange economy, the price of good y is...

Accounting
Q

We are on 12/31/2021. You are asked to evaluate the potential LBO of a private...

Finance